 On the map accompanying the paper (p. 170), an ideal section shows the shales and conglomerates resting on the gneiss beneath the sandstone, which they have referred to the Potsdam owing to its carrying Scolithus borings, and above the latter is the slate...  The Texan Permian and Its Mesozoic Types of Fossils - Page 100by Charles Abiathar White - 1891 - 51 pagesFull view - About this book
 | Geology - 1892 - 618 pages
...162-163, 170. See also Geology of the Bine Ridge in James River Gap, Virginia, JL Campbell. Ibid., p. 145; Geology of the Blue Ridge near Balcony Falls, Virginia; a modified view, John L. Campbell. Am. Jour. Sci., 3d. ser., vol. xxvui, pp. 221-223; vol.xvm, pp, 435-445. "»The Structure... | |
 | Geology - 1891 - 480 pages
...Falls series of Cambrian rocks and found that the quartzite passed beneath the slate of the quarries.' On the map accompanying the paper (p. 170), an ideal...Ridge has been formerly spanned by a grand arch, or series of arches, of Cambrian age, nptnrned perhaps at the time of their upheaval — the broken fragments... | |
 | Geological Survey (U.S.) - Geology - 1891 - 1222 pages
...Rockbridge and Bedford, discovered the presence of the Balcony Falls series of Cambrian rocks and tumid that the quartzite passed beneath the slate of the...1879, that the rocks of the southeast slope are of Archeau age. He adds a sentence as follows : We шау conclude, therefore, that this portion of the... | |
 | Charles Richard Van Hise - Geology - 1892 - 602 pages
...162-163, 170. See also Geology of the Blue Ridge in James River Gap, Virginia, JL Campbell. Ibid., p. 145; Geology of the Blue Ridge near Balcony Falls, Virginia ; a modified view, John L. Campbell. Am. Jour. Sci., 3d. ser., vol. xxvm, pp. 221-223; vol. xvm, pp, 435-445. i66 The... | |
 | Charles Richard Van Hise, Charles Kenneth Leith - Geology - 1909 - 956 pages
...170. See also Geology of the Bine Ridge in .\;\\w> River Gaf), Virginia, by JL Campbell. Idem, p. 145. Geology of the Blue Ridge near Balcony Falls. Virginia ; a modified view, by John L. Campbell. Am. Jour. Sci., 3d ser., vol. 28, 1884, pp. 221-223. 50 The structure of the Blue... | |
 | Science - 1915 - 720 pages
...James River Gap in the Blue Ridge, well-defined occurrences of extrusive basalt were * Campbell, JL : Geology of the Blue Ridge near Balcony Falls. Virginia. a Modified View, thia Journal Ci). vol. xxviii. pp. 221-223. 1MH4. f Walcott, C. D : Notes on thi- Cambrian Rocks of... | |
 | 1891 - 380 pages
...Campbell, J. L: Geology and Mineral Resources of the James River Valley, Virginia. R 85 II 294 — Geology of the Blue Ridge near Balcony Falls, Virginia. A modified view. R 88 I 275 — andH. DC amp bell: Rep. on theSnowdon Slate Quarries. R. 85 II 294 — and "WH Kuffner:... | |
 | 1885 - 860 pages
...Relations of the Mineral Belts of the Pacific Slope to the Great Upheavals. 209. — JL CAMPBELL : Geology of the Blue Ridge near Balcony Falls, Virginia; a modified view. 221. No. 166. Octoher 1884. — JS DILLER: Fulgurite from Mount Tliielson, Oregon. 252. — *GH WILLIAMS:... | |
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